Re: Take1 Movies

[Andy McFadden <fadden@fadden.com>]

Michael J. Mahon <mjmahon@aol.com> wrote:
> About 20% of disks still have persistent data errors after a
> good cleaning.  The errors are often isolated, and affect few
> sectors.  Usually, these sectors are either unused, or are used
> for DOS, and so the disks can still be fully recovered.

This reflects my experience.  About 5% of disk sides in a 500-side
collection had one or more bad sectors, and the vast majority of
problems were on track 0.  I think I only had two disks where I actually
lost something interesting.

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